# RealtimeServerEventConversationItemTruncated
## Properties
**event_id** | **String** | The unique ID of the server event. |
**r#type** | **String** | The event type, must be `conversation.item.truncated`. |
**item_id** | **String** | The ID of the assistant message item that was truncated. |
**content_index** | **i32** | The index of the content part that was truncated. |
**audio_end_ms** | **i32** | The duration up to which the audio was truncated, in milliseconds. |
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